The default behavior for tab is defined here: https://github.com/facebook/draft-js/blob/f5e6cf50558f5797b079db80fcda706664c74e14/src/model/modifier/RichTextEdi

The default behavior for tab is defined here: https://github.com/facebook/draft-js/blob/f5e6cf50558f5797b079db80fcda706664c74e14/src/model/modifier/RichTextEditorUtil.js#L229 https://github.com/facebook/draft-js/blob/f5e6cf50558f5797b0... It would be easy to override it in your own component or send a PR upstream to make it adjust multiple blocks at once.